Chosen Solution

Just replaced my dying battery with one from ifixit. The white charging light appears when I attach the ac adapter, then I get four orange flashes. The internet says this means a bad battery. Did I receive a bad battery or is there something else that could be at play here? EPILOGUE: I followed the recommendation, started the process. For giggles, I unplugged and repeated the connection and realized it had been user error. Fixit troubleshooting 101.

EPILOGUE: I followed the recommendation of jayeff and started the process of confirming connectivity with the old battery. For giggles, I unplugged and repeated the connection and realized it had been user error. I just hadn’t pushed the connector in far enough. Shame on me. Fixit troubleshooting 101.

discosammy enter the “Epilogue” as an answer so we can mark this question as resolved.